[core] add Self::env() syntax to ink! lang to access environment (#419)

16 jobs for master in 8 minutes and 27 seconds (queued for 41 seconds)
Status Job ID Name Coverage
  Check
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check-std

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check-wasm

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  Workspace
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build-std

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build-wasm

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clippy-std

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clippy-wasm

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codecov

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fmt

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linux-docker
test

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  Examples
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linux-docker
examples-clippy-std

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examples-clippy-wasm

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examples-contract-build

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passed #523666
linux-docker
examples-fmt

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passed #523670
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examples-generate-metadata

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passed #523665
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examples-test

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  Publish
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linux-docker
publish-docs

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